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ICD-10 Guide
ICD-10 CodesChapter 15: Pregnancy, childbirth and the puerperiumO03

O03

Billable

Spontaneous abortion

Chapter 15:Pregnancy, childbirth and the puerperium

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/08/2025

Code Description

ICD-10 O03 is a billable code used to indicate a diagnosis of spontaneous abortion.

Key Diagnostic Point:

Spontaneous abortion, commonly referred to as miscarriage, is defined as the loss of a pregnancy before the 20th week of gestation. It is a prevalent occurrence, with estimates suggesting that 10-20% of known pregnancies end in spontaneous abortion. The condition can occur at various stages, including early (before 12 weeks) and late (between 12 and 20 weeks) miscarriages. Factors contributing to spontaneous abortion include chromosomal abnormalities, maternal health issues (such as uncontrolled diabetes or thyroid disorders), anatomical abnormalities of the uterus, and lifestyle factors (like smoking or substance abuse). Cervical incompetence, where the cervix dilates prematurely, can also lead to late miscarriages. Emotional support is crucial for patients experiencing spontaneous abortion, as it can lead to significant psychological distress. Healthcare providers should offer counseling and resources to help patients cope with the emotional aftermath of a miscarriage, ensuring a holistic approach to care.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between early and late spontaneous abortion
  • Understanding the implications of cervical incompetence
  • Documenting emotional support and counseling provided
  • Navigating associated conditions and complications

Audit Risk Factors

  • Inadequate documentation of gestational age
  • Failure to document emotional support provided
  • Misclassification of spontaneous abortion stages
  • Omission of associated conditions or complications

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed documentation of the patient's history, gestational age, and any interventions or counseling provided.

Common Clinical Scenarios

Patients presenting with vaginal bleeding, cramping, or loss of pregnancy symptoms.

Billing Considerations

Ensure accurate coding based on the timing of the miscarriage and any related complications.

Maternal-Fetal Medicine

Documentation Requirements

Comprehensive documentation of high-risk factors, including maternal health conditions and previous pregnancy losses.

Common Clinical Scenarios

Management of patients with recurrent pregnancy loss or those with known cervical incompetence.

Billing Considerations

Focus on the management plan and any interventions aimed at preventing future losses.

Coding Guidelines

Inclusion Criteria

Use O03 When
  • Follow the official ICD
  • CM guidelines for coding obstetric conditions, ensuring accurate documentation of gestational age and any associated complications
  • Use additional codes to capture any relevant maternal conditions

Exclusion Criteria

Do NOT use O03 When
No specific exclusions found.

Related CPT Codes

59400CPT Code

Obstetrical care, including antepartum care, delivery, and postpartum care

Clinical Scenario

Used when managing a patient who has experienced a spontaneous abortion.

Documentation Requirements

Document all aspects of care, including counseling and follow-up.

Specialty Considerations

Obstetricians should ensure comprehensive care is documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of spontaneous abortion, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of spontaneous abortion, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    American College of Obstetricians and Gynecologists (ACOG)

Coding & Billing References

  • •
    American College of Obstetricians and Gynecologists (ACOG)

Frequently Asked Questions

What is the difference between complete and incomplete spontaneous abortion?

Complete spontaneous abortion occurs when all pregnancy tissue is expelled from the uterus, while incomplete spontaneous abortion means that some tissue remains, which may require further medical intervention.